How do I power my device on or off? To power on: Tap the power button quickly until a blue or green light appears To power off: Hold the power button down until a white light appears. If the light is pink, a fresh battery will be required soon. Related articles How do I power my device on or off? I'm done using my device. How do I disconnect from the Weber iGrill App? How can I set a timer in the Weber iGrill App?